[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-46959":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2021-46959","In the Linux kernel, the following vulnerability has been resolved:  spi: Fix use-after-free with devm_spi_alloc_*  We can't rely on the contents of the devres list during spi_unregister_controller(), as the list is already torn down at the time we perform devres_find() for devm_spi_release_controller. This causes devices registered with devm_spi_alloc_{master,slave}() to be mistakenly identified as legacy, non-devm managed devices and have their reference counters decremented below 0.  ------------[ cut here ]------------ WARNING: CPU: 1 PID: 660 at lib/refcount.c:28 refcount_warn_saturate+0x108/0x174 [\u003Cb0396f04>] (refcount_warn_saturate) from [\u003Cb03c56a4>] (kobject_put+0x90/0x98) [\u003Cb03c5614>] (kobject_put) from [\u003Cb0447b4c>] (put_device+0x20/0x24)  r4:b6700140 [\u003Cb0447b2c>] (put_device) from [\u003Cb07515e8>] (devm_spi_release_controller+0x3c/0x40) [\u003Cb07515ac>] (devm_spi_release_controller) from [\u003Cb045343c>] (release_nodes+0x84/0xc4)  r5:b6700180 r4:b6700100 [\u003Cb04533b8>] (release_nodes) from [\u003Cb0454160>] (devres_release_all+0x5c/0x60)  r8:b1638c54 r7:b117ad94 r6:b1638c10 r5:b117ad94 r4:b163dc10 [\u003Cb0454104>] (devres_release_all) from [\u003Cb044e41c>] (__device_release_driver+0x144/0x1ec)  r5:b117ad94 r4:b163dc10 [\u003Cb044e2d8>] (__device_release_driver) from [\u003Cb044f70c>] (device_driver_detach+0x84/0xa0)  r9:00000000 r8:00000000 r7:b117ad94 r6:b163dc54 r5:b1638c10 r4:b163dc10 [\u003Cb044f688>] (device_driver_detach) from [\u003Cb044d274>] (unbind_store+0xe4/0xf8)  Instead, determine the devm allocation state as a flag on the controller which is guaranteed to be stable during cleanup.",null,[],[],[],[14],{"_key":15},"CVE-2021-46959",[],[],[],"2024-02-29T23:15:07.230Z","2026-04-28T20:23:14.855266Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2021-46959",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.8,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",9.8,4.6,[40],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,52,53,54],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_10_38_1",true,"ecosystem","5.10.38-1","excluding",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9}]